A digital phased array antenna comprises a plurality of antenna elements, each element receiving an incoming signal. An analog-to-digital converter is coupled to at least one of the antenna elements to convert the incoming signal to a multi-bit digital signal. A demodulator or de-ramp circuit is coupled...http://www.google.de/patents/US6693590?utm_source=gb-gplus-sharePatent US6693590 - Method and apparatus for a digital phased array antenna
